Aqueous ink of pigment type

Details Aqueous ink of pigment type Aqueous ink of pigment type

1996-12-30

1998-04-07

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524558, C08L 4100

Patent

active

057366063

ABSTRACT:
An aqueous pigment ink is provided made of a pigment, a dispersant, water, and a water-soluble solvent, wherein the dispersant contains a copolymer of a monomer (a) represented by formula (A), and one or more monomers (b) selected from the group consisting of compounds represented by formulae (B) and (C): ##STR1## Wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, AO, m.sub.1, m.sub.2, n, M.sub.1, M.sub.2 and Y are as defined herein that gives improved jettability, storage stability and printing characteristics.

REFERENCES:
patent: 4702742 (1987-10-01), Iwata et al.
patent: 4703080 (1987-10-01), Shay et al.
patent: 5037475 (1991-08-01), Chida et al.
patent: 5345254 (1994-09-01), Wong et al.
patent: 5496879 (1996-03-01), Griebel et al.
patent: 5516836 (1996-05-01), Sauer et al.
patent: 5560996 (1996-10-01), Ito et al.
patent: 5610225 (1997-03-01), Farwaha et al.

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